tree-ssa-loop-im.c: New file.
authorZdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
Sat, 10 Jul 2004 04:57:58 +0000 (06:57 +0200)
committerZdenek Dvorak <rakdver@gcc.gnu.org>
Sat, 10 Jul 2004 04:57:58 +0000 (04:57 +0000)
commita7e5372d6a8e2f12b6d9a15f71d5ad0794e6507f
tree7fd5b8c64fe84e6fadd94b6c98bdd7f62f3789a2
parentad6e2a18c2013863e1cf448471e1fa243403eb50
tree-ssa-loop-im.c: New file.

* tree-ssa-loop-im.c: New file.
* Makefile.in (tree-ssa-loop-im.o): Add.
* cfgloop.c (superloop_at_depth): New function.
* cfgloop.h (superloop_at_depth): Declare.
* common.opt (ftree-lim): New flag.
* expr.c (array_ref_up_bound): New function.
* params.def (PARAM_LIM_EXPENSIVE): New parameter.
* timevar.def (TV_LIM): New timevar.
* tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
computing immediate uses of a phi node.
* tree-flow.h (struct tree_ann_common_d): Add aux field.
(loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
* tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
* tree-pass.h (pass_lim): Declare.
* tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
functions.
(pass_lim): New pass structure.
* tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
* tree.c (in_array_bounds_p): New function.
* tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
(in_array_bounds_p, array_ref_up_bound): Declare.
* doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
* doc/passes.texi (tree-ssa-loop-im.c): Document.

From-SVN: r84441
19 files changed:
gcc/ChangeLog
gcc/Makefile.in
gcc/cfgloop.c
gcc/cfgloop.h
gcc/common.opt
gcc/doc/invoke.texi
gcc/doc/passes.texi
gcc/expr.c
gcc/params.def
gcc/timevar.def
gcc/tree-dfa.c
gcc/tree-eh.c
gcc/tree-flow.h
gcc/tree-optimize.c
gcc/tree-pass.h
gcc/tree-ssa-loop-im.c [new file with mode: 0644]
gcc/tree-ssa-loop.c
gcc/tree.c
gcc/tree.h